Population Growth

March 19, 2014--Do you know about peak phosphorus? (Aguanomics)

Today, many people are concerned about peak oil, which means after reaching the maximum point of production, suddenly, oil supply will decrease. Oil is an important resource in agriculture, transportation, and energy. However, most people are forgetting about phosphorus, which is an important source of energy in agricultural system. What is phosphorus and peak phosphorus?


March 14, 2014--NASA-funded study: Industrial civilisation headed for 'irreversible collapse'? (The Guardian)

A new study sponsored by Nasa's Goddard Space Flight Center has highlighted the prospect that global industrial civilisation could collapse in coming decades due to unsustainable resource exploitation and increasingly unequal wealth distribution.


October 6, 2013--More water stress than meets the eye (National Geographic)

In more and more places around the world, water demands are bumping up against the limits of Earth’s finite water supply. Each year seems to bring another analysis of “water stress” to help us get a fix on how dangerous our water situation is becoming, whether in a particular country or in the world as a whole.


October 3, 2013--Colorado River use exceeds supply, so now what? (Post Independent)

On Sept. 13, as floods were washing away houses, roads and crops on the Front Range, about 200 people gathered in Grand Junction to discuss a water deficit: Demand for Colorado River water keeps growing, even as supplies may be shrinking.


May 11, 2012--Conservation: How much is “reasonable,” and for whom? (Grand Junction Free Press)

In Colorado, the distribution of people and natural water flows don't match up very well. About 80% of our precipitation falls on the western side of the continental divide, and about 80% of the people, plus the lion's share of the state's flat land, are on the eastern side.

May 11, 2012--Population pressure impacts world wetlands (Science Daily)

The area of the globe covered by wetlands (swamps, marshes, lakes, etc.) has dropped by 6% in fifteen years. This decline is particularly severe in tropical and subtropical regions, and in areas that have experienced the largest increases in population in recent decades.

December 8, 2011--One quarter of world’s agricultural land ”Highly Degraded’, UN report concludes (Environmental News Network)

On Monday, the UN released the results of the first ever global study on the state of Earth’s land. The main finding: 25 percent of all land is highly degraded making it unsuitable for agriculture.


November 16, 2011--Thirsty power plants threaten watersheds, study finds (New York Times)

The first chapter of a new report on the effect of power plants on freshwater systems has the feel of a documentary film. Imagine a camera panning the dessicated Texas landscape as a voice intones statistics from the brutal 2011 drought — a dried-up Brazos River, 80 days of 100-degree-plus temperatures in some locations, and so on.


November 2, 2011--UN: Water pollution, drought threaten world's poor (Denver Post)

Prosperous countries have not lived up to their promises to help the poor, the U.N. declared Wednesday, saying poor people often go hungry because of polluted water, drought and other environmental factors that are increasing poverty.

October 26, 2011--Water use growing twice as fast as population! (Environmental News Network)

Like oil in the 20th century, water could well be the essential commodity on which the 21st century will turn. Human beings have depended on access to water since the earliest days of civilization, but with 7 billion people on the planet as of October 31, exponentially expanding urbanization and development are driving demand like never before.


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